Development

IDE & Build Discuss here how to use/setup the IDE and build systems. Misc Discuss here miscellaneous stuff around development of openHAB. Add-ons Discuss here how to develop add-ons and ask conceptional questions on the technologies, concepts, etc. Features This category can be used to inform user and other developers about new features under development and to discuss details about them. Marketplace This category can be used by everyone that is looking for custom development work around openHAB or professional services like help on installation / customisation or similar tasks. Documentation Topics around how the documentation is organized, built and structured.

Topic	Replies	Views	Activity
About the Development category Development	0	2457	January 18, 2019
Upgrade instructions to add new Channel Group? Add-ons	2	70	February 15, 2026
Problems creating dynamic channels Add-ons	1	56	February 13, 2026
Eclipse files in Git repos Development	9	141	February 3, 2026
MainUI: How to handle HTTP status 204? Development main-ui	2	83	January 29, 2026
Usage of org.apache.commons.math3 Development	7	82	January 29, 2026
Feature Request: Filter Items by State NULL/ON/OFF in Admin Interface Features featurerequest , items , itemstate , filter	2	38	January 29, 2026
VsCode: No such compiler 'eclipse' IDE & Build vscode	4	71	January 27, 2026
Examples of Image channels and jpgs? Add-ons	4	77	January 25, 2026
VSC always change .classpath file of each bundle IDE & Build visual-code	7	1161	January 24, 2026
Feature: Native App for Sailfish-OS Features	3	133	January 20, 2026
Lambda Heat Pump in OpenHab Add-ons modbus	115	2354	January 13, 2026
OH 5.1(?) Discovery bug (I think) Add-ons discovery	4	112	January 10, 2026
Eclipse 2025-12 - Oomph installer fails Development	6	71	January 9, 2026
State Filter (Range Filter) Profile Features transformations , filter	84	1222	January 6, 2026
Maven build for the first time ;-) Development addons	5	82	February 17, 2026
Eclipse code formatter settings for OH IDE & Build	0	54	December 30, 2025
OH, Threads, and Java Project Loom Misc	19	736	December 25, 2025
Installing KAR add-ons through the addons folder Add-ons karaf	35	509	December 22, 2025
KNX secure - initial implementation Add-ons knx , binding-development	21	2769	December 21, 2025
How to run OSGi tests IDE & Build	0	41	December 21, 2025
Null type mismatch in openhab.core IDE & Build	1	56	December 21, 2025
Create complexType directly into binding Add-ons	2	61	December 20, 2025
"Demo app" stuck at startlevel 10 Development	40	192	January 29, 2026
MQTT device discovery payload Misc mqtt , auto-discovery , homeassistant	6	205	December 17, 2025
The state of the Z-Wave binding Development	19	465	January 26, 2026
Creating a Channel without unit Add-ons	4	77	December 11, 2025
How to deploy test versions of add-ons to users Development	7	146	January 18, 2026
Apache Aries SPI Fly NPE Development	1	35	January 16, 2026
Translating Thing’s Property Names Development	7	115	January 16, 2026